/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
   
   
 
/**
 *@filename:  hybrid_type_traits_decimal.h
 */ 

#ifndef COLLAPSAR_HYBRID_TYPE_TRAITS_DECIMAL_H
#define COLLAPSAR_HYBRID_TYPE_TRAITS_DECIMAL_H

#include <stdint.h>
#include <hybrid_type_traits.h>

class Item;
class Field;
class Hybrid_type;
class my_decimal;
class String;

class Hybrid_type_traits_decimal: public Hybrid_type_traits
{
public:
  virtual Item_result type() const;

  virtual void
  fix_length_and_dec(Item *arg, Item *item) const;

  /* Hybrid_type operations. */
  virtual void set_zero(Hybrid_type *val) const;
  virtual void add(Hybrid_type *val, Field *f) const;
  virtual void div(Hybrid_type *val, uint64_t u) const;

  virtual int64_t val_int(Hybrid_type *val, bool unsigned_flag) const;
  virtual double val_real(Hybrid_type *val) const;
  virtual my_decimal *val_decimal(Hybrid_type *val,
                                  my_decimal *buf) const;
  virtual String *val_str(Hybrid_type *val, String *buf,
                          uint8_t decimals) const;
  static const Hybrid_type_traits_decimal *instance();
  Hybrid_type_traits_decimal();
};


#endif /* COLLAPSAR_HYBRID_TYPE_TRAITS_DECIMAL_H */
